The lacrimal punctum (pl.: puncta) or lacrimal point is a minute opening on the summits of the lacrimal papillae, seen on the margins of the eyelids at the lateral extremity of the lacrimal lake.

2022年11月1日 · What is the punctum of the eye? The lacrimal puncta are small openings on the upper and lower eyelids. They act as drainage ports for tears. While they are a small part of …

2018年1月27日 · This is scientifically known as your lacrimal punctum. Despite misconceptions and know-it-alls on Yahoo Answers, the hole does not produce tears, although it is part of your …

2025年1月22日 · The lacrimal punctum is a small opening located on the inner edges of both the upper and lower eyelids. It serves as the entry point for tears into the tear drainage system, …

Lacrimal puncta: Lacrimal puncta are the openings that pump tears out of your eyes. You have a punctum (the singular form of puncta) in each of your upper and lower eyelids on the inside of …

2025年1月22日 · The lacrimal puncta are small openings located at the inner margins of the upper and lower eyelids. Each eye has two puncta—one in the upper eyelid (superior punctum) and …

The lacrimal punctum is a 0.2–0.3 mm opening situated on the lid margin at the junction of the pars-ciliaris and the pars lacrimalis portion of the eyelids. From: Progress in Retinal and Eye …

The primary components of the lacrimal apparatus, which include: The lacrimal gland and the accessory lacrimal gland. The lacrimal puncta , canaliculi ,lacrimal sac and the nasolacrimal …

The lacrimal canaliculi, one in each eyelid, commence at minute orifices, the lacrimal punctum (puncta lacrimalia; lacrimal point), on the summits of the papillae lacrimales, seen on the …

2023年8月8日 · Tears first enter the upper system at the lacrimal punctum. This visible structure contains a 0.2 to 0.3 mm opening at the mucocutaneous border on each of the upper and …